[Bug 1758447] Re: grub2 missing support for non-extfs under uefi

[Mathieu Trudel-Lapierre]

Triaged:

xfs is clearly not on the list of modules included in signed images, and
there's a very solid point in making sure the images we ship include all
the filesystems we support at install time (zfs is even listed).

** Changed in: grub2 (Ubuntu)
       Status: New => Triaged

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => High

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Title:
  grub2 missing support for non-extfs under uefi

Status in grub2 package in Ubuntu:
  Triaged

Bug description:
  Ubuntu Desktop/Server 17.10.1 allows manual partitioning of a disk and
  the selection of a non-ext{3,4} filesystem for the / partition. The
  grub2 uefi module (at least the amd64 one) is not baked with support
  for all the filesystems that one can deploy Ubuntu during setup.
  Result: grub2 is installed and runs after reboot, but errors out
  before it can load the kernel as it has not been baked with support
  for the filesystem in question.

  Tested against an xfs root partition on both physical and virtual
  hardware.

  Somewhat like #185878, only affecting UEFI instead of MBR
  installations.

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